import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
// import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'
import Modular from '../components/Modular/Modular.vue'
import Role from '../components/Modular/Role.vue'
import Users from '../components/Modular/Users.vue'
import SignIn from '../components/Consulting/SignIn.vue'
import Weight from '../components/Consulting/Weight.vue'
import Students from '../components/Customer/Students.vue'
import student from '../components/Customer/student.vue'
import Follow from '../components/Customer/Follow.vue'
import InStu from '../components/Customer/InStu.vue'
Vue.use(VueRouter)

const routes = [
  {  //路由重定向
    path:'/',redirect:'/login'
  },
  {
    path:'/login',component:Login
  },
  
  {
    path:'/home',component:Home,
	redirect:'/welcome',
	children:[
		{path:'/welcome',component:Welcome},
		{path:'/users',component:Users},
		{path:'/rights',component:Rights},
		{path:'/roles',component:Roles},
		{path:'/categories',component:Cate},
		{path:'/params',component:Params},
		{path:'/goods',component:List},
		{path:'/goods/add',component:Add},
		{path:'/orders',component:Order},
		{path:'/Modular',component:Modular},
		{path:'/Role',component:Role},
		{path:'/reports',component:Report},
    {path:'/SignIn',component:SignIn},
    {path:'/Weight',component:Weight},
    {path:'/Students',component:Students},
    {path:'/Follow',component:Follow},
    {path:'/InStu',component:InStu},
	]
  }
]

const router = new VueRouter({
  routes
})

// 为路由对象 挂载路由导航守卫
router.beforeEach((to,form,next)=>{
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数 代表放行
  // next() 放行  next('/login') 强制跳转
  if(to.path === '/login') return next();
  // 从sessionStorage中获取保存的 token 值
  const tokenStr = window.sessionStorage.getItem('token')
  // 没有token，强制跳转到登录页面
  if(!tokenStr) return next('/login')
  next()
})

export default router